80631896

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1297}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 159654000

約数和(自身を除く): 79022104

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 409, 818, 1297, 1636, 2594, 3272, 5188, 7771, 10376, 15542, 24643, 31084, 49286, 62168, 98572, 197144, 530473, 1060946, 2121892, 4243784, 10078987, 20157974, 40315948, 80631896]

約数ペア:

[(1, 80631896), (2, 40315948), (4, 20157974), (8, 10078987), (19, 4243784), (38, 2121892), (76, 1060946), (152, 530473), (409, 197144), (818, 98572), (1297, 62168), (1636, 49286), (2594, 31084), (3272, 24643), (5188, 15542), (7771, 10376)]